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hey 450+ HP is nothing to sneeze at.....it will run flawlessly, and you won't have to diddle with it all the time by keeping it conservative.
haven't had the chance to finish mine......hell you might even have your running before me. i want to at least drive mine once this season. gotta make some time to work on it:3DSMILE: |
Progress with the engine. First dyno run yesterday, here's a short clip:
Kevin's FE 427 side-oiler dyno run - YouTube The vacuum secondary wasn't opening, so this run was essentially with a 2 barrel carb. Builder is picking up a spring kit to install a lighter spring. Without the secondaries, it generated 460 hp and 420 ft.lbs. torque, so already met my ask of at least 450 hp. Not sure how much the numbers will change with the secondaries working, but will find out today. |
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Thanks Patrick, the builder mentioned that is a possibility and said he'd give me the rest of the spring kit in case I need to diddle with it.
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Hey Fred,
How did you respond to my post before I posted it? They got out of order somehow... I still have a lot to do once I get the engine so I doubt that I'll beat you to the road. Can't really see in that clip, but the block is unpainted, so my first project will be to take off what is in the way, etch, prime and paint... |
Update on the engine... I wasn't able to sneak away from work to go to the tuning today but just spoke with the builder and the vacuum secondary is working properly with a lighter spring and they were then able to tweak the timing as well. Final result is 482 hp at 5300 and 502 ft. lbs torque at 4400. I haven't seen the printout yet, but he indicated the torque is above 475 at 3500 and stays up there until north of 5500, so I'm pleased with this.
Regards, Kevin |
Kevin, that sounds plenty healthy for the street. Thanks for posting the dyno run. Should be a nice running engine. I forget the details of the engine. I remember it was a 68 side oiler block with a marine history and you used a hydraulic roller. I don't recall the crank or heads you ended up going with? With the HP peaking at 5300 rpm it looks like you might have a bit of a stroker crank in it and a nice, flexible cam. Very close in rpms to where mine peaked in HP and torque.
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Hi Dan,
You are correct, it is a 1968 side-oiler block taken from a Chris Craft. It is now a hydraulic roller motor. I used the original crank and connecting rods, so it is not stroked. Bored to 4.25 so displacement is 429 cu in. Heads and intake are Edelbrock Performer RPM. The builder put different valve springs in - anyone want a new set of Edelbrock valve springs? The cam sheet is below. http://www.clubcobra.com/forums/pict...ictureid=10758 Regards, Kevin |
Thanks Kevin.
I'm kind of surprised the power didn't peak just a little higher than 5300 rpm with the head, cam and stock stroke combination. But for the street that should be nice and torquey. You should have it ready for it's first drive in no time now. |
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i gave him your email address.....his name is david....
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Slow, but steady progress
Over the past two weekends I prepped and painted the engine. The timing cover was Ford Corporate Blue, so had to strip that. Then I used Eastwood Fast-Etch, primer and ceramic paint. I decided to paint the oil pan because I had an in-pan oil heater installed and the bung and weld were bare metal. Photos show the progression.
http://www.clubcobra.com/forums/pict...ictureid=10818 http://www.clubcobra.com/forums/pict...ictureid=10819 http://www.clubcobra.com/forums/pict...ictureid=10820 |
Is there a timing pointer on there that I just can't see?:confused:
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Got the drivetrain and sidepipes installed Columbus Day weekend.
http://www.clubcobra.com/forums/pict...ictureid=10976 http://www.clubcobra.com/forums/pict...ictureid=10974 http://www.clubcobra.com/forums/pict...ictureid=10980 http://www.clubcobra.com/forums/pict...ictureid=10977 This past weekend, got a lot installed on the engine. http://www.clubcobra.com/forums/pict...ictureid=10979 http://www.clubcobra.com/forums/pict...ictureid=10978 |
It looks like it's almost ready for the first short "quickie" ride around the neighborhood -- just to see if it actually can run under its own power.
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